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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.mtmv;

import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.PartitionItem;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.datasource.mvcc.MvccUtil;

import com.google.common.collect.Maps;

import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * get all related partition descs
 */
public class MTMVRelatedPartitionDescInitGenerator implements MTMVRelatedPartitionDescGeneratorService {

    @Override
    public void apply(MTMVPartitionInfo mvPartitionInfo, Map<String, String> mvProperties,
            RelatedPartitionDescResult lastResult, List<Column> partitionColumns) throws AnalysisException {
        Set<MTMVRelatedTableIf> relatedTables = mvPartitionInfo.getPctTables();
        Map<MTMVRelatedTableIf, Map<String, PartitionItem>> items = Maps.newHashMap();
        for (MTMVRelatedTableIf relatedTable : relatedTables) {
            items.put(relatedTable,
                    relatedTable.getAndCopyPartitionItems(MvccUtil.getSnapshotFromContext(relatedTable)));
        }
        lastResult.setItems(items);
    }
}
